import java.util.ArrayList; import java.util.List; public class TestProgram { public static void main(String[] args) { List mobler = new ArrayList<>(); mobler.add(new VannSeng(10, 3, 140, 100, 20_000)); mobler.add(new VannSofa(5, 4, 190, 130, 35_000)); for (Mobel mobel : mobler) { System.out.println(mobel); } } }